*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:Hiragino Maru Gothic ProN,Hiragino Sans,sans-serif;background:#fdf6e3;color:#222}button{font-family:inherit;font-size:1.1rem;cursor:pointer}.page{min-height:100%;display:flex;flex-direction:column;align-items:center;padding:24px;gap:16px}.account-grid{display:flex;flex-wrap:wrap;gap:16px;justify-content:center}.account-tile{display:flex;flex-direction:column;align-items:center;gap:8px;width:120px;height:120px;border-radius:16px;border:2px solid #ccc;background:#fff;font-size:1rem}.account-tile__icon{font-size:2.5rem}.link-button{background:none;border:none;color:#36a;text-decoration:underline}form{display:flex;flex-direction:column;gap:12px;width:100%;max-width:320px}form label{display:flex;flex-direction:column;gap:4px}form input{font-size:1.1rem;padding:8px;border-radius:8px;border:1px solid #999}.primary-button{font-size:1.3rem;padding:12px 32px;border-radius:12px;border:none;background:#36a;color:#fff}.primary-button:disabled{opacity:.5}.operation-toggle{display:flex;gap:12px}.operation-toggle__option{font-size:1.3rem;padding:12px 28px;border-radius:12px;border:2px solid #ccc;background:#fff}.operation-toggle__option--selected{border-color:#36a;background:#e6f0ff}.level-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;width:100%;max-width:480px}.level-tile{display:flex;flex-direction:column;gap:4px;padding:16px;border-radius:12px;border:2px solid #ccc;background:#fff;text-align:left}.level-tile__label{font-size:1.1rem;font-weight:700}.level-tile__description{font-size:.9rem;color:#555}.level-tile--selected{border-color:#36a;background:#e6f0ff}.icon-picker{display:flex;flex-wrap:wrap;gap:8px}.icon-picker__option{font-size:1.8rem;width:56px;height:56px;border-radius:12px;border:2px solid #ccc;background:#fff}.icon-picker__option--selected{border-color:#36a;background:#e6f0ff}.error-text{color:#c33}.game-page__header{display:flex;gap:16px;align-items:center;font-size:1.1rem}.problem-card{display:flex;flex-direction:column;align-items:center;gap:16px}.written-problem{display:inline-flex;flex-direction:column;align-items:stretch;gap:8px}.written-problem__row{display:flex;align-items:center;gap:12px}.written-problem__operator-cell{flex:0 0 auto;width:50px;font-size:4rem;font-weight:700;text-align:center}.written-problem__digit-cell{flex:0 0 auto;width:180px;font-size:6rem;font-weight:700;text-align:center}.written-problem__line{height:4px;background:#333;margin:2px 0}.problem-card--correct .written-problem{color:#2a8a2a}.problem-card--incorrect .written-problem{color:#c33}.problem-card__feedback{font-size:1.4rem}.problem-card__feedback--correct{color:#2a8a2a}.problem-card__feedback--incorrect{color:#c33}.digit-input{position:relative;display:inline-block}.digit-input canvas{border-radius:12px;border:3px solid #999;background:#fff;touch-action:none}.digit-input--locked canvas{opacity:.15}.digit-input--uncertain canvas{border-color:#c93}.digit-input__value{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-size:4.5rem;font-weight:700;pointer-events:none}.digit-input__clear{position:absolute;top:-10px;right:-10px;width:28px;height:28px;border-radius:50%;border:1px solid #999;background:#fff;font-size:1rem;line-height:1;padding:0}.town-page{padding:0;gap:0;height:100%}.town-page--loading{padding:24px;align-items:center;justify-content:center}.town-page .game-page__header{padding:16px 24px}.town-page__message{position:absolute;top:70px;left:50%;transform:translate(-50%);background:#fff;border:2px solid #cc3333;border-radius:12px;padding:8px 16px;z-index:10}.town-page__viewport{position:relative;flex:1;min-height:0;touch-action:none}.town-page__viewport canvas{display:block;width:100%;height:100%}.town-scene__drag-surface{width:100%;height:100%;touch-action:none}.build-panel{position:absolute;top:0;left:0;right:0;display:flex;gap:10px;padding:12px 16px;overflow-x:auto;background:#ffffffd9}.joystick{position:absolute;left:24px;bottom:24px;width:140px;height:140px;border-radius:50%;background:#ffffff80;border:3px solid rgba(153,153,153,.8);touch-action:none;z-index:10}.joystick__knob{position:absolute;top:50%;left:50%;width:64px;height:64px;margin-top:-32px;margin-left:-32px;border-radius:50%;background:#fff;border:3px solid #3366aa;pointer-events:none}.build-panel__item{display:flex;flex-direction:column;align-items:center;gap:4px;flex:0 0 auto;padding:10px 16px;border-radius:12px;border:2px solid #ccc;background:#fff}.build-panel__item--selected{border-color:#36a;background:#e6f0ff}.build-panel__item:disabled{opacity:.4}.build-panel__item-label{font-size:1.2rem}.build-panel__item-cost{font-size:.8rem;color:#555}.training-collector__target{font-size:5rem;font-weight:700}.digit-slot{position:relative;display:inline-block}.digit-slot__box{width:180px;height:180px;display:flex;align-items:center;justify-content:center;border-radius:12px;border:3px solid #999;background:#fff;font-size:4.5rem;font-weight:700;padding:0}.digit-slot--active .digit-slot__box{border-color:#36a;border-width:4px;background:#f0f6ff}.digit-slot--locked .digit-slot__box{opacity:.85}.digit-slot__clear{position:absolute;top:-10px;right:-10px;width:28px;height:28px;border-radius:50%;border:1px solid #999;background:#fff;font-size:1rem;line-height:1;padding:0}.digit-keypad{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;max-width:640px}.digit-keypad__key{font-size:2.6rem;padding:18px 20px;border-radius:16px;border:2px solid #ccc;background:#fff}.digit-keypad__key:disabled{opacity:.4}.settings-button{font-size:1.5rem;background:none;border:none;padding:4px}.settings-panel-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:50;padding:24px}.settings-panel{background:#fff;border-radius:16px;padding:24px;display:flex;flex-direction:column;gap:12px;min-width:260px}.settings-panel__option{font-size:1.2rem;padding:14px;border-radius:12px;border:2px solid #ccc;background:#fff}.settings-panel__option--selected{border-color:#36a;background:#e6f0ff}